Alimehmeti I. Efficacy and Safety of AZD1222, BNT162b2 and mRNA-1273 vaccines against SARS-CoV-2. AJTES [Internet]. 2021 Jan. 20 [cited 2026 Jun. 19];5(1):791-6. Available from: https://www.journal.old.astes.org.al/journal/index.php/AJTES/article/view/178